Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Rain

54°F

12°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Feb 09:20 AM PST
Extended Forecast for

4 Miles E Hercules CA

  • Today

    Today: Rain.  High near 59. South wind 11 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain Likely
    then Rain

  • Tonight

    Tonight: Rain and possibly a thunderstorm.  Low around 47. South wind 8 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain.  High near 50. East northeast wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly after 4am.  Low around 43. West wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: Rain before 10am, then showers and possibly a thunderstorm after 10am.  High near 48. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am.  Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly after 10am.  High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am.  Partly sunny, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

Today
Rain. High near 59. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain and possibly a thunderstorm. Low around 47. South wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Washington's Birthday
Rain. High near 50. East northeast wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain, mainly after 4am. Low around 43. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 48. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain, mainly before 4am. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly after 10am. High near 49. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 40.
Thursday
Rain likely, mainly before 10am. Partly sunny, with a high near 49.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Partly sunny, with a high near 51.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
3:03 am PST Feb 15, 2026
9am PST Feb 15, 2026-6pm PST Feb 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database